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Mostrando ítems 11-20 de 2031
The effect of follicle age on pregnancy rate in beef cows
(Amer Soc Animal Science, 2014)
Estimation of genetic parameters for cow age at last calving under different censorship criteria
(2018-02-01)
Cow longevity measured by age at last calving was evaluated using a censorship criterion that consisted of the difference between the dates of age at last calving and the last calving on the farm. If this difference was ...
CLASSIFICATION OF RIVER BUFFALO COWS ON THE BASIS OF TWO EVALUATION CRITERIA APPLIED TO HERDS IN GRANMA PROVINCE, CUBA
(Pakistan Agricultural Scientists Forum, 2012-01-01)
Milk production data were collected from 150 river buffalo cows raised in six herds in Granma, Cuba, and having from 1 to 10 production cycles, during the 1997-2005 period. The data originated from monthly samples collected ...
Performance Efficiency of Pasture-raised Primiparous Beef Cows of Three Different Biotypes and Two Milk Production Levels
(Universidade Federal do Rio Grande do Sul, 2017)
Herbage selection, intake and digestibility in grazing beef cattle
(Livestock Science, 2019)
Influência de Alguns Fatores de Ambiente sobre os Escores de Conformação, Precocidade e Musculatura à Desmama em um Rebanho da Raça Nelore
(2001-11-01)
Data on 23,251 Nelore calves weaned from 1994 to 1997, belonging to Agropecuária Jacarezinho Ltda., were analyzed to estimate the influence of environmental effects of age of dam, julian date of birth and age of calf at ...
Avaliação do Desempenho ao Primeiro Parto de Fêmeas Nelore e F1
(1999-07-01)
The objetive of this study was to compare the first calving performance of Nellore and F1 crossbred cows. Data used in the study came from 741 calving of Nellore and F1 cows born from the matting of Nellore cows with sires ...
Exposure to toxic fescue during late gestation on beef cows: effects on cow performance and offspring performance from birth to weaning
(ECronicon Open Access, 2020-01-03)
To examine the effects of endophyte-infected tall fescue during late gestation on maternal and offspring performance, multiparous Angus cows (n = 40) were bred via AI and allocated into grazing treatments: toxic (E+) or ...